Probability Marbles In A Jar

Adapt lesson for toddlers or preschoolers content area.

Probability marbles in a jar. Probability with replacement marbles 0 what is the probability that you pick 3 green no red 1 of each at least 1 blue marble if a jar contains 5 blue 3 green and 4 red marbles. For the second marble the probability of getting a red would be 12 47. What is the probability that the first marble picked at random is blue and that the second marble is green and that the third marble picked is yellow assuming that the marbles are put back into the jar after every time they are picked. In this lesson children will examine three different jars filled with marbles and determine the probability of choosing various colored marbles.

B find the probabilities for p at least one black marble p same color p bw p exactly one black marble. Data analysis and probability. Toddlers preschoolers see step 5. The probability of both happening would be 1 4 x 12 47.

For the first marble the probably of getting a red would be 12 48 which is 1 4. And 4 blue marbles. Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles. Pulling out 2 marbles is the same as to taking out one marble and then taking out another marble form whats remaining in the jar.

Probability examples a jar contains 30 red marbles 12 yellow marbles 8 green marbles and 5 blue marbles what is the probability that you draw and replace marbles 3 times and you get no red marbles.